Tag: Variable

what is the diffrence between echo ‘$a’, echo “$a” and echo $a?

Jul 2, 2014

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by

darshakkumar

in PHP

$a=”Hello”; echo $a; // hello echo ‘$a’; // $a echo “$a”; // hello
what is the difference between $a and $aa?

Jul 2, 2014

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by

darshakkumar

in PHP

$a=’hello’; $$a = ‘php’; $$$a=’world’; echo “$a ${$a} ${${$a}}”; Output : ==>hello php world More Information : http://www.php.net/manual/en/language.variables.variable.php